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They are the constituent of nucleic acids: deoxyribonucleic acid and ribonucleic acid, the molecular repositories of genetic information.
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The structure of every protein, and ultimately of every biomolecule and cellular component, is a product of information programmed into the nucleotide sequence of a cell's nucleic acids.
The ability to store and transmit genetic information from one generation to the next is a fundamental condition for life.
The amino acid sequence of every protein in a cell, and the nucleotide sequence of every RNA, is specified by a nucleotide sequence in the cell's DNA.
A segment of a DNA molecule that contains the information required for the synthesis of a functional biological product, whether protein or RNA, is referred to as a gene.
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